Nervous System News
February 15, 2019

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updated 3:48pm EST

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February 15, 2019

New Target Could Help Protect Vision Following Optic Nerve Trauma

Feb. 11, 2019 — When a car crash or explosion results in an optic nerve injury, eliminating an enzyme known to promote inflammation appears to aid recovery, scientists ... read more

How Exercise May Protect Against Alzheimer's

Feb. 8, 2019 — A hormone called irisin -- produced during exercise -- may protect neurons against Alzheimer's ... read more

Feb. 6, 2019 — Silent strokes are a common symptom of sickle cell disease, though they can be debilitating. Researchers recently showed that silent strokes may be caused by decreased oxygen delivery to a part of ... read more

New Therapy for Amyotrophic Lateral Sclerosis Successfully Tested on Mice

Feb. 6, 2019 — Researchers have demonstrated the efficacy in mice of a new therapy that addresses the main manifestation of amyotrophic lateral sclerosis (ALS). The researchers developed an antibody that reduces ... read more

Absentmindedness Points to Earlier Warning Signs of Silent Strokes Among People at Risk

Feb. 6, 2019 — Adults who notice that they frequently lose their train of thought or often become sidetracked may in fact be displaying earlier symptoms of cerebral small vessel disease, otherwise known as a ... read more

A New Culprit in Cognitive Decline in Alzheimer's Disease

Feb. 5, 2019 — Scientists have shown for the first time that a blood-clotting protein called fibrinogen is responsible for a series of molecular and cellular events that can destroy connections between neurons in ... read more

Boosting Glutamate Reduces Anxiety in Monkeys

Feb. 4, 2019 — Researchers studying male and female marmosets have homed in on the primate brain circuitry responsible for individual differences in overall anxiety. Their findings show that increasing levels of ... read more

A Match Made in Neural Heaven: How a Neuron Grows an Axon

Feb. 4, 2019 — While the neural architecture responsible for the transmission of electrical impulses has been known for more than a century, the basic biology behind how a neuron acquires its one and only axon -- a ... read more

Biggest Ever Map of Human Alzheimer's Brain

Feb. 4, 2019 — A study of the differences between healthy brains and those with Alzheimer's disease has produced largest dataset of its type ever. And the data is now freely available online for any scientist ... read more

Development of Brain Stem Cells Into New Nerve Cells and Why This Can Lead to Cancer

Jan. 31, 2019 — Stem cells are true Jacks-of-all-trades of our bodies, as they can turn into the many different cell types of all organs. This allows the tissues to renew and to heal after injury. This amazing ... read more

Exercise Benefits Brains, Changes Blood Flow in Older Adults, Study Finds

Jan. 31, 2019 — Exercise training alters brain blood flow and improves cognitive performance in older adults, though not in the way you might think. A new study showed that exercise was associated with improved ... read more

Male Mice Hard-Wired to Recognize Sex of Other Mice

Jan. 31, 2019 — A male mouse identifies the sex of an unfamiliar mouse because of hard-wired brain physiology, not previous experience, investigators have ... read more

A New Approach to Peripheral Nerve Injury?

Jan. 31, 2019 — Neuroscientists studying how the body's immune system breaks down damaged peripheral nerves. Their latest research changes our understanding of neuropathic pain and how to treat ... read more

Scientists Shed Light on Processes Behind Age-Related Decline in Brain Structures

Jan. 31, 2019 — Aging can cause damage to support cells in the white matter, which in turn may lead to damage in the grey matter of the hippocampus, finds a new ... read more

Autism: Changes in RNA Editing in the Brain Play an Important Role, Scientists Find

Jan. 30, 2019 — A team of scientists has discovered important clues as to what happens in the brains of people with autism. The new insights involve RNA editing, in which modifications in RNA alter nucleotides, ... read more

Difference in Brain Connectivity May Explain Autism Spectrum Disorder

Jan. 30, 2019 — Researchers have identified a possible mechanism of human cognition that underlies autism spectrum disorders, or ASD. They found there was brain overconnectivity in the unimodal-subcortical ... read more

With Autism on the Rise, Science Is on the Hunt for Answers

Jan. 30, 2019 — Scientists have used two brain imaging techniques to study autism. They found a correlation between brain activity, amino acid byproduct concentrations, and severity of autism ... read more

Researchers ID, Treat Faulty Brain Circuitry Underlying Symptoms of Schizophrenia

Jan. 30, 2019 — In a first-of-its-kind study, researchers have determined the underlying anatomical cause of certain symptoms of schizophrenia, then ameliorated them with non-invasive brain stimulation. The ... read more

Poor Sleep at Night, More Pain the Next Day

Jan. 29, 2019 — After one night of inadequate sleep, brain activity ramps up in pain-sensing regions while activity is scaled back in areas responsible for modulating how we perceive painful stimuli. This finding ... read more

What You Eat Could Impact Your Brain and Memory

Jan. 28, 2019 — High levels of a satiety hormone could decrease a person's likelihood of developing Alzheimer's disease. For individuals who have higher levels of the hormone, their chance of having mild ... read more

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